Home / 174,047.40-261,034.65-85,364.55

Finding the Fourth Proportional to 174,047.40, 261,034.65 and 85,364.55

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Solution

The fourth proportional to 174,047.40, 261,034.65 and 85,364.55 is: 128,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,047.40 : 261,034.65 = 85,364.55 : x
  2. Step 2: Convert to fraction form
    174,047.40/261,034.65 = 85,364.55/x
  3. Step 3: Cross multiply
    174,047.40x = 261,034.65 × 85,364.55
  4. Step 4: Simplify right side
    174,047.40x = 22,283,105,431.66
  5. Step 5: Solve for x
    x = 22,283,105,431.66/174,047.40
  6. Step 6: Final answer
    x = 128,028.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.